Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/21/2021
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/23/2021 03:39:01 -71.10, -57.37 121.58 04/23/2021 03:39:58 -71.11, -57.30 121.58 2.66 57
2 04/23/2021 04:29:44 70.97, 110.16 58.28 04/23/2021 04:29:26 70.95, 110.10 58.26 3.12 18
3 04/23/2021 05:20:14 -70.27, -81.37 122.45 04/23/2021 05:19:05 -70.35, -83.17 122.35 68.07 69
4 04/25/2021 19:55:20 -71.07, 58.62 122.49 04/25/2021 19:56:26 -71.08, 58.54 122.48 3.33 66
5 04/25/2021 20:46:04 70.99,-133.94 57.42 04/25/2021 20:45:53 70.98,-133.97 57.41 1.80 11
6 04/25/2021 21:36:39 -70.55, 34.11 123.04 04/25/2021 21:35:28 -70.60, 33.08 122.98 38.81 71
7 04/28/2021 12:11:40 -71.14, 174.43 123.27 04/28/2021 12:12:52 -71.11, 174.47 123.30 3.61 72
8 04/28/2021 13:02:23 71.01, -18.04 56.60 04/28/2021 13:02:19 71.00, -18.06 56.58 1.23 4
9 04/28/2021 13:53:03 -70.83, 149.59 123.61 04/28/2021 13:51:50 -70.84, 149.33 123.59 9.57 73
10 05/01/2021 04:28:05 -71.42, -70.13 123.80 05/01/2021 04:29:16 -71.30, -69.36 123.94 30.92 71
11 05/01/2021 05:18:43 71.04, 97.86 55.80 05/01/2021 05:18:46 71.02, 97.85 55.78 1.64 3
12 05/01/2021 06:09:24 -70.91, -94.61 124.35 05/01/2021 06:08:16 -70.92, -94.68 124.34 2.81 68
13 05/03/2021 20:44:29 -71.66, 45.39 124.35 05/03/2021 20:45:38 -71.58, 46.99 124.45 56.80 69
14 05/03/2021 21:35:03 71.06,-146.25 55.03 05/03/2021 21:35:13 71.04,-146.25 55.00 3.07 10
15 05/03/2021 22:25:44 -70.94, 21.29 125.11 05/03/2021 22:24:43 -70.93, 21.23 125.12 2.19 61

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/21/2021
SNOs_Map_FY3D_LANDSAT-8_20210421.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/21/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8